@article{10_37236_3510,
     author = {Jack E. Graver and Elizabeth J. Hartung},
     title = {Self-dual spherical grids},
     journal = {The electronic journal of combinatorics},
     year = {2014},
     volume = {21},
     number = {1},
     doi = {10.37236/3510},
     zbl = {1300.05077},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3510/}
}